Level 10 for a male and level 13 for a female.
Kricketot evolves into Kricketune at level 10.
Level 10
Kricketune does not evolve, but a Kricketot will evolve into Kricketune at level 13.
Kricketot evolves at level 10
10
It evolves at level 10.
Kricketot evolves into Kricketune at level 10 but Kricketune doesn't evolve.
a male evolves at level 10 in platinum and a female evolves at 13
As with all Pokémon who are caught/received at levels beyond their typical level of evolution, Kricketot should evolve as soon as it gains another level, either through standard level-up or by using a Rare Candy.
It evolves at level 10 or 13! Pretty easy eh?
Krickitune
Kicketot evoles into a kricketune at level 13 or ten